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Qxy v1

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Summary

Performs the final part of a SANS (LOQ/SANS2D) two dimensional (in Q) data reduction.

See Also

Q1D

Properties

Name	Direction	Type	Default	Description
InputWorkspace	Input	MatrixWorkspace	Mandatory	The corrected data in units of wavelength.
OutputWorkspace	Output	MatrixWorkspace	Mandatory	The name to use for the corrected workspace.
MaxQxy	Input	number	Mandatory	The upper limit of the Qx-Qy grid (goes from -MaxQxy to +MaxQxy).
DeltaQ	Input	number	Mandatory	The dimension of a Qx-Qy cell.
IQxQyLogBinning	Input	boolean	False	I(qx,qy) log binning when binning is not specified.
PixelAdj	Input	MatrixWorkspace		The scaling to apply to each spectrum e.g. for detector efficiency, must have just one bin per spectrum and the same number of spectra as DetBankWorkspace.
WavelengthAdj	Input	MatrixWorkspace		The scaling to apply to each bin to account for monitor counts, transmission fraction, etc. Must be one spectrum with the same binning as the InputWorkspace, the same units (counts) and the same [[ConvertToDistribution|distribution status]].
AccountForGravity	Input	boolean	False	Whether to correct for the effects of gravity.
SolidAngleWeighting	Input	boolean	True	If true, pixels will be weighted by their solid angle.
RadiusCut	Input	number	0	The minimum distance in mm from the beam center at which all wavelengths are used in the calculation (see section [[Q1D#Resolution and Cutoffs|Resolution and Cutoffs]])
WaveCut	Input	number	0	The shortest wavelength in angstrom at which counts should be summed from all detector pixels (see section [[Q1D#Resolution and Cutoffs|Resolution and Cutoffs]])
OutputParts	Input	boolean	False	Set to true to output two additional workspaces which will have the names OutputWorkspace_sumOfCounts OutputWorkspace_sumOfNormFactors. The division of _sumOfCounts and _sumOfNormFactors equals the workspace returned by the property OutputWorkspace
ExtraLength	Input	number	0	Additional length for gravity correction.

Description

This algorithm rebins a 2D workspace in units of wavelength into 2D Q. The reduction it performs is the same as that executed by the Q1D v2 algorithm, expect performed in 2D instead of 1D. Hence, for further documentation on how this algorithm works please see Q1D v2.

Categories: AlgorithmIndex | SANS

Source

C++ header: Qxy.h

C++ source: Qxy.cpp